<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <figure class="container">
        <div class="sun"></div>
        <div class="earth">
            <div class="moon"></div>
        </div>
    </figure>
</body>
</html>